@article{Sear2009,
author = {Sear, R. and Gibson, M., A. and Mace, R. and Colleran, H.},
title= {Kin influence on the decision to start using modern contraception: A longitudinal study from rural Gambia},
year = {2009},
doi = {10.1002/ajhb.20940},
journal = {American Journal of Human Biology},
volume = {21},
pages = {472--477},
}